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Finding the Fourth Proportional to 494,437.64, 741,410.87 and 157,434.30

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Solution

The fourth proportional to 494,437.64, 741,410.87 and 157,434.30 is: 236,073.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,437.64 : 741,410.87 = 157,434.30 : x
  2. Step 2: Convert to fraction form
    494,437.64/741,410.87 = 157,434.30/x
  3. Step 3: Cross multiply
    494,437.64x = 741,410.87 × 157,434.30
  4. Step 4: Simplify right side
    494,437.64x = 116,723,500,543.67
  5. Step 5: Solve for x
    x = 116,723,500,543.67/494,437.64
  6. Step 6: Final answer
    x = 236,073.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.